{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UDCQWBC5BCYX5EVWL7CXI3N5JY","short_pith_number":"pith:UDCQWBC5","canonical_record":{"source":{"id":"1412.5820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-18T11:42:39Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3ba40632c2e2b3d333ee301c4835f52aaac38e0507e6e49a05f8606518ea73a5","abstract_canon_sha256":"0f7e16c59e1da9a3bdc8150f64f373e5affb3223abbec4fcd7cb910358a79d10"},"schema_version":"1.0"},"canonical_sha256":"a0c50b045d08b17e92b65fc5746dbd4e0464fe17081382daf4496bcf5863946a","source":{"kind":"arxiv","id":"1412.5820","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.5820","created_at":"2026-05-18T02:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"1412.5820v2","created_at":"2026-05-18T02:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.5820","created_at":"2026-05-18T02:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"UDCQWBC5BCYX","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UDCQWBC5BCYX5EVW","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UDCQWBC5","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UDCQWBC5BCYX5EVWL7CXI3N5JY","target":"record","payload":{"canonical_record":{"source":{"id":"1412.5820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-18T11:42:39Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3ba40632c2e2b3d333ee301c4835f52aaac38e0507e6e49a05f8606518ea73a5","abstract_canon_sha256":"0f7e16c59e1da9a3bdc8150f64f373e5affb3223abbec4fcd7cb910358a79d10"},"schema_version":"1.0"},"canonical_sha256":"a0c50b045d08b17e92b65fc5746dbd4e0464fe17081382daf4496bcf5863946a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:58.263471Z","signature_b64":"HwD2LrWbYKV17U80bkZnK9M0A7ImngFAu8trf+eYnuA0QznnNuM7HK0husjwnHi7QKzEkAB+vPHnao5rb1+7Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0c50b045d08b17e92b65fc5746dbd4e0464fe17081382daf4496bcf5863946a","last_reissued_at":"2026-05-18T02:23:58.262708Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:58.262708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.5820","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e+27En8gYejUt84xmRe8JBemJ/lg5MFIlrPvlF99XNiHUFSprLyk6Au4nreCDbUhtBTS1YB3G2zzS3Qni2eWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:16:57.707064Z"},"content_sha256":"723362b62b4bd44932a7d57c31e3c374643647bd2b99f410c57c9ac6d8b90399","schema_version":"1.0","event_id":"sha256:723362b62b4bd44932a7d57c31e3c374643647bd2b99f410c57c9ac6d8b90399"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UDCQWBC5BCYX5EVWL7CXI3N5JY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coherent elastic excitation of spin waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Akashdeep Kamra, Gerrit E. W. Bauer, Hedyeh Keshtgar, Peng Yan","submitted_at":"2014-12-18T11:42:39Z","abstract_excerpt":"We model the injection of elastic waves into a ferromagnetic film (F) by a non-magnetic transducer (N). We compare the configurations in which the magnetization is normal and parallel to the wave propagation. The lack of axial symmetry in the former results in the emergence of evanescent interface states. We compute the energy-flux transmission across the N$|$F interface and sound-induced magnetization dynamics in the ferromagnet. We predict efficient acoustically induced pumping of spin current into a metal contact attached to F."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.5820","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rIO9gEcNKQXnNzaT4XYYpsgj7o/rZ7KWGKVKzZyLFi1f2g/MRxd55AZGNejqaK5pwEjYSA7GSTtMVZes0ORFAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:16:57.707415Z"},"content_sha256":"a55c65822a3b9186c54c67f0cdc7ed27f0c4e5d57c7f124a4d83e7cc54770959","schema_version":"1.0","event_id":"sha256:a55c65822a3b9186c54c67f0cdc7ed27f0c4e5d57c7f124a4d83e7cc54770959"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UDCQWBC5BCYX5EVWL7CXI3N5JY/bundle.json","state_url":"https://pith.science/pith/UDCQWBC5BCYX5EVWL7CXI3N5JY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UDCQWBC5BCYX5EVWL7CXI3N5JY/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-01T19:16:57Z","links":{"resolver":"https://pith.science/pith/UDCQWBC5BCYX5EVWL7CXI3N5JY","bundle":"https://pith.science/pith/UDCQWBC5BCYX5EVWL7CXI3N5JY/bundle.json","state":"https://pith.science/pith/UDCQWBC5BCYX5EVWL7CXI3N5JY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UDCQWBC5BCYX5EVWL7CXI3N5JY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UDCQWBC5BCYX5EVWL7CXI3N5JY","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"0f7e16c59e1da9a3bdc8150f64f373e5affb3223abbec4fcd7cb910358a79d10","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-18T11:42:39Z","title_canon_sha256":"3ba40632c2e2b3d333ee301c4835f52aaac38e0507e6e49a05f8606518ea73a5"},"schema_version":"1.0","source":{"id":"1412.5820","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.5820","created_at":"2026-05-18T02:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"1412.5820v2","created_at":"2026-05-18T02:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.5820","created_at":"2026-05-18T02:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"UDCQWBC5BCYX","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UDCQWBC5BCYX5EVW","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UDCQWBC5","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:a55c65822a3b9186c54c67f0cdc7ed27f0c4e5d57c7f124a4d83e7cc54770959","target":"graph","created_at":"2026-05-18T02:23:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We model the injection of elastic waves into a ferromagnetic film (F) by a non-magnetic transducer (N). We compare the configurations in which the magnetization is normal and parallel to the wave propagation. The lack of axial symmetry in the former results in the emergence of evanescent interface states. We compute the energy-flux transmission across the N$|$F interface and sound-induced magnetization dynamics in the ferromagnet. We predict efficient acoustically induced pumping of spin current into a metal contact attached to F.","authors_text":"Akashdeep Kamra, Gerrit E. W. Bauer, Hedyeh Keshtgar, Peng Yan","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-18T11:42:39Z","title":"Coherent elastic excitation of spin waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.5820","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:723362b62b4bd44932a7d57c31e3c374643647bd2b99f410c57c9ac6d8b90399","target":"record","created_at":"2026-05-18T02:23:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"0f7e16c59e1da9a3bdc8150f64f373e5affb3223abbec4fcd7cb910358a79d10","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-18T11:42:39Z","title_canon_sha256":"3ba40632c2e2b3d333ee301c4835f52aaac38e0507e6e49a05f8606518ea73a5"},"schema_version":"1.0","source":{"id":"1412.5820","kind":"arxiv","version":2}},"canonical_sha256":"a0c50b045d08b17e92b65fc5746dbd4e0464fe17081382daf4496bcf5863946a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0c50b045d08b17e92b65fc5746dbd4e0464fe17081382daf4496bcf5863946a","first_computed_at":"2026-05-18T02:23:58.262708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:58.262708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HwD2LrWbYKV17U80bkZnK9M0A7ImngFAu8trf+eYnuA0QznnNuM7HK0husjwnHi7QKzEkAB+vPHnao5rb1+7Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:58.263471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.5820","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:723362b62b4bd44932a7d57c31e3c374643647bd2b99f410c57c9ac6d8b90399","sha256:a55c65822a3b9186c54c67f0cdc7ed27f0c4e5d57c7f124a4d83e7cc54770959"],"state_sha256":"298a8ccabd7cc40657915d080915aeff4a4c51b17891b39f3c95a3b3eebcaa60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jShdRMCJqHvzZsJcXlm7PHBJjMLesQG3Krzr6qllwhem8E3J0x1998pkhohDGAf35i2iCS3lXZghNmC5mvDFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:16:57.709437Z","bundle_sha256":"e7ea38502add7b0d00acbe2968b8f2904b86e088bf1ac5b6a2609c913054e6da"}}